A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 4140-00-797-7765
NSN 6145-00-458-6437
NSN 6135-00-128-1633
NSN 6145-01-579-2681
NSN 7035-01-398-9581
NSN 5930-01-608-9540
NSN 6110-00-099-7113
NSN 7035-01-440-8877
NSN 5925-00-476-8081
NSN 6320-00-831-2227
NSN 2925-01-030-6580
NSN 5945-00-765-1689